AddThis - AddThis free website tools include share buttons, targeting tools and content recommendations help you get more likes, shares and followers and keep them coming back.
BuzzSumo - BuzzSumo allows you to discover the most shared links and key influencers for any topic. It's free to use and you can run a search in seconds!
Shareaholic - Shareaholic is trusted by over 300000 brands, businesses, agencies, and individuals to grow website traffic and engagement 24 hours a day, 7 days a week.
Social Status - Automate your social media reporting
AddToAny - Share buttons by AddToAny, the universal sharing platform for websites and apps.
Keyhole - Keyhole is a real-time hashtag tracker for Twitter, Instagram and Facebook. Its visual dashboard is simple, beautiful and shareable!